Evidence map›Paper›PMID 42033629›Full record

ArticleMolecular biology reports2026

Reduced expression of SOCS1-5 and STAT5a genes in Parkinson's disease patients: evidence for dysregulated immune signaling.

Mahyar Salmani, Mohsen Rastegari-Pouyani, Saeid Afshar, Elaheh Talebi-Ghane, Mohammad Mahdi Eftekharian

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Article in Molecular biology reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Mahyar SalmaniDepartment of Immunology, School of Medicine, Hamadan University of Medical Sciences, Fahmideh Blvd, Hamadan, Iran.
Mohsen Rastegari-PouyaniDepartment of Immunology, School of Medicine, Hamadan University of Medical Sciences, Fahmideh Blvd, Hamadan, Iran.
Saeid AfsharCancer Research Center, Institute of Cancer, Hamadan University of Medical Sciences, Hamadan, Iran.
Elaheh Talebi-GhaneModeling of Noncommunicable Diseases Research Center, Institute of Health Sciences and Technology, Hamadan University of Medical Sciences, Hamadan, Iran.
Mohammad Mahdi EftekharianDepartment of Immunology, School of Medicine, Hamadan University of Medical Sciences, Fahmideh Blvd, Hamadan, Iran. eftekharian@umsha.ac.ir.

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6 · The paper itself

Abstract

backgroundParkinson’s disease (PD) is the second most common neurodegenerative disorder worldwide, characterized by the loss of dopaminergic neurons in the substantia nigra. Recent studies suggest that immune dysregulation and alterations in signaling pathways play a key role in PD pathogenesis. The aim of this study was to investigate the expression of Signal transducer and activator of transcription (STAT) and Suppressor of cytokine signaling (SOCS) family genes in PD patients compared to control group.

methodsExpression of STAT and SOCS family genes in peripheral blood cells were measured using RT-qPCR technique and the results were statistically analyzed using R software.

resultsThere was no significant difference in the expression of STAT1, STAT3, STAT4, and STAT6 genes between the patient and control groups. However, the expression of SOCS1, SOCS2, SOCS3, SOCS5, and STAT5a genes in patients showed a significant decrease compared to the control group (p < 0.001, = 0.003, = 0.004, = 0.03 and = 0.007 respectively). Such decreases were significant between male subgroups for all these genes except SOCS5, for which neither male nor female subgroups showed a statistically significant difference. Regarding age, the expression of STAT1 and STAT6 genes decreased with increasing age (p = 0.046 and 0.04 respectively), while the decrease in STAT5a expression with increasing age was only seen in females (p = 0.001).

conclusionOur study demonstrated that the expression of STAT5a, SOCS1, SOCS2, SOCS3, and SOCS5 genes was significantly reduced in PD. Given that these molecules play a crucial role in anti-inflammatory pathways, their reduced expression may indicate defect in these pathways that contribute to the pathogenesis of PD. However, further studies are required to elucidate the exact effects of these changes.

Indexed as

Parkinson DiseaseSTAT5 Transcription FactorSuppressor of Cytokine Signaling 1 ProteinSuppressor of Cytokine Signaling ProteinsAgedCase-Control StudiesFemaleGene Expression RegulationHumansMaleMiddle AgedSignal TransductionSTAT1 Transcription FactorSTAT Transcription FactorsSuppressor of Cytokine Signaling 3 ProteinTumor Suppressor ProteinsSOCS1 protein, humanSOCS3 protein, humanSOCS5 protein, humanSTAT1 Transcription FactorSTAT5A protein, humanSTAT5 Transcription FactorSTAT Transcription FactorsSuppressor of Cytokine Signaling 1 ProteinSuppressor of Cytokine Signaling 3 ProteinSuppressor of Cytokine Signaling ProteinsTumor Suppressor ProteinsImmune signalingNeuroimmunologyNeuroinflammationParkinson's diseaseSOCSSTAT

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